To adopt your idea or why it should be done. It has to work better than what we've got. Right now you've only got a theoretical complaint, Dash is making real world moves. Little time.
Yes, my complaint is theoretical, but you haven't presented a theoretical defense of the current model. Dash might be working great, but it's possible it could be working even better.
Its possible and if a need to evaluate a new model arises we'll do so. But currently we have more pressing concerns.
